Kubota M4050 VS David Brown 1390 specs comparison

Kubota M4050

General Infos

Make	Kubota
Model	M4050
Country	Japan
Production	From 1982  Until 1985
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	Kubota M4050 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	13.6-2
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4,080 lbs or 1850 kg
Length	132.5 inches [336 cm] (2WD)
Width	72.6 inches [184 cm]
Height	-
Wheelbase	78.1 inches [198 cm] (2WD)
Ground clearance	-
Turning radius	-
Rear tread size	51 to 75 inches
Front tread size	56 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	158.64 ci or 2.6 L
Cylinders	6 cylinders
Engine power	48 hp or 35.8 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	14.3 gal or 54.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Kubota M4050 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	150 amps
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	constant mesh
Trans gears	8 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical wet disc
Cabin type	two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	9.25 gpm or 35.0 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	36.20 hp or 27.0 kW
Fuel consumption	3.0 gal/hour or 11.4 l/hour
Pulling power	6,070 lbs or 2753 kg

Power take-off (PTO) specs

Claimed power	42 hp or 31.3 kW
Real power	42.10 hp or 31.4 kW
Engine @RPM	540@2193 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.8 gal/hour or 10.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	3,740 lbs or 1696 kg
Front hitch	-
Front hitch lift	-

David Brown 1390

General Infos

Make	David Brown
Model	1390
Country	United states
Production	From 1980  Until 1984
Price	22,100  USD
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	David Brown 1390 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	16.9-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5,500 lbs or 2494 kg
Length	135 inches [342 cm]
Width	-
Height	-
Wheelbase	84 inches [213 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	219 ci or 3.6 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	19 gal or 71.9 L
Oil capacity	7.9 qts or 7.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	David Brown 1390 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	26 amps

Clutch and gearbox specs

Trans system	-
Trans type	synchromesh
Trans gears	12 forward and 4 reverse
Clutch system	hydraulic dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	hydrostatic power
Braking system	mechanical drum
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1 or 2
Pump flow	15.3 gpm or 57.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	7.1 gal or 26.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	50.26 hp or 37.5 kW
Fuel consumption	4.0 gal/hour or 15.1 l/hour
Pulling power	8624 lbs or 3911 kg

Power take-off (PTO) specs

Claimed power	60 hp or 44.7 kW
Real power	58.40 hp or 43.5 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.7 gal/hour or 14.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	2/1
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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